| Interface | Description | 
|---|---|
| BeanSelectionProvider | 
 When implemented allows to alias already existing beans 
 | 
| Configuration | 
 XWork configuration. 
 | 
| ConfigurationProvider | 
 Interface to be implemented by all forms of XWork configuration classes. 
 | 
| ContainerProvider | 
 Provides beans and constants/properties for the Container 
 | 
| PackageProvider | 
 Provides configuration packages. 
 | 
| RuntimeConfiguration | 
 RuntimeConfiguration 
 | 
| Class | Description | 
|---|---|
| ConfigurationManager | 
 ConfigurationManager - central for XWork Configuration management, including
 its ConfigurationProvider. 
 | 
| ConfigurationUtil | 
 ConfigurationUtil 
 | 
| FileManagerFactoryProvider | 
 Allows to specify custom  
FileManagerFactory | 
| FileManagerProvider | 
 Allows to specify custom  
FileManager by user | 
| Exception | Description | 
|---|---|
| ConfigurationException | 
 ConfigurationException 
 | 
| ReferenceResolverException | 
 Exception when a reference can't be resolved. 
 | 
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